<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Get Day</title>
</head>
<body>
<script>
    var d = new Date().getDay();
    switch (d){
        case 0: x = "今天是星期天";
            break;
        case 1: x = "今天是星期一";
            break;
        case 2: x = "今天是星期二";
            break;
        case 3: x = "今天是星期三";
            break;
        case 4: x = "今天是星期四";
            break;
        case 5: x = "今天是星期五";
            break;
        case 6: x = "今天是星期六";
            break;
    }
    document.write(x);
</script>
</body>
</html>